Point from README directly to PDS source code

More specific link.

reset-password help command fixed

remove mention of the sandbox

Fix typos in ACCOUNT_MIGRATION.md

remove discord registration notes

Co-authored-by: Daniel Holmgren <dtholmgren@gmail.com>

README: note about WebSocket and reverse proxies

Fix typos

* Updating account.sh to allow PDS_ENV_FILE to be set as env var.

* Update create-invite-code.sh to allow PDS_ENV_FILE to be set as env var.

* Update request-crawl.sh to allow PDS_ENV_FILE to be set as env var.

Correct for scheme in request crawl command

Use in-progress emojis to communicate WIP items

IMO this is clearer. I didn't notice the difference at first.

pdsadmin: don't send admin password to relay